- A. Christian Compton Papers, 1960/19991
- A. Gold and Company ledgers, 1866/18803
- A. W. Houston certificate, 18832
- Abraham Lincoln Collection, 1860/19652
- Academic Departments - Record Group 9304
- Ackerly Family Papers129
- Adair-Hutton Department Store Fire Photograph, 19492
- Administration records collection, 1776/1976334
- Admission Scholarship from Washington College to the sons of Mary Jackson Thornton, 18662
- Advertisement Trade Card for "Quignon-Rombach", 1880/19202
- African American Family photograph album, 1910/19602
- African and African American photograph collection, 1850/194525
- African-American Heritage Exhibit materials, 1992/20012
- Alamby Miller Scrapbook, 1864/18702
- Alan R. Shirkey photograph collection, 1877/191717